PD-L1P146R is prognostic and a negative predictor of response to immunotherapy in gastric cancer

Qing Li, Zhiwei Zhou, Lu Jia, Hao Luo, Shunan Wang, Yu Peng, Meng-Sheng Deng, Guanbin Song, Jian‐Min Wang, Xi Wei, Dong Wang, Kenneth D. Westover, Cheng-Xiong Xu